LED-Grid

John Zhan

In-app purchases

About this app

LED-Grid is a construction assistant tool designed for LED display installers and engineers, covering the complete workflow from parameter configuration to on-site annotation.

【Screen Config】
- Module-level configuration: module size, module columns/rows per cabinet, auto-calculated cabinet resolution
- Live totals for cabinets and pixels
- One-tap cabinet layout generation with zoomable preview

【Wiring】
- 10 wiring modes: S-shape, Z-shape, single direction, manual wiring and more
- Advanced options: min ports, 10-bit mode, 120Hz mode, no rect limit, zigzag routing
- Per-port pixel load calculation with automatic port allocation and topology diagram
- Save, load, rename and share wiring schemes; add to test pattern canvas

【Mapping】
- Test patterns: diagonal lines, circles, custom colors and line width
- Multi-screen stitching: auto layout with edge snapping, full screen management (add/remove/rename/drag)
- Back-view mirror, module grid overlay, adjustable font size
- Export high-resolution PNG for field testing

【Photo Annotation】
- Take or pick a display photo, auto/manual corner detection with perspective correction
- Overlay cabinet topology and mark faulty/abnormal cabinets or modules
- Front/back view switching; export annotation data (.ledg) for sharing and recovery

All data is processed locally — no network connection required, keeping your data private.
A one-time purchase unlocks Pro features including export and advanced tools.